在执行gulp sass时报下面错误，又或者执行ionic serve时报这个错，选择低一点版本的node,建议8v;

gulp[13124]: c:\ws\src\node_contextify.cc:626: Assertion `args[1]->IsString()' failed.
 1: 000000013FF3F04A v8::internal::GCIdleTimeHandler::GCIdleTimeHandler+5114
 2: 000000013FF1A0C6 node::MakeCallback+4518
 3: 000000013FF1A17F node::MakeCallback+4703
 4: 000000013FEEF630 node::DecodeWrite+13024
 5: 000000014071C122 v8::internal::OptimizingCompileDispatcher::Unblock+59890
 6: 000000014071D289 v8::internal::OptimizingCompileDispatcher::Unblock+64345
 7: 000000014071C5CC v8::internal::OptimizingCompileDispatcher::Unblock+61084
 8: 000000014071C4EB v8::internal::OptimizingCompileDispatcher::Unblock+60859
 9: 000002469F9DC5C1